could cap
Regular verb: cap - capped- capped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could cap
you could cap
he could cap
we could cap
you could cap
they could cap 	I could be capping
you could be capping
he could be capping
we could be capping
you could be capping
they could be capping	I could have capped
you could have capped
he could have capped
we could have capped
you could have capped
they could have capped	I could have been capping
you could have been capping
he could have been capping
we could have been capping
you could have been capping
they could have been capping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not cap
you could not cap
he could not cap
we could not cap
you could not cap
they could not cap 	I could not be capping
you could not be capping
he could not be capping
we could not be capping
you could not be capping
they could not be capping	I could not have capped
you could not have capped
he could not have capped
we could not have capped
you could not have capped
they could not have capped	I could not have been capping
you could not have been capping
he could not have been capping
we could not have been capping
you could not have been capping
they could not have been capping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I cap?
could you cap?
could he cap?
could we cap?
could you cap?
could they cap? 	could I be capping?
could you be capping?
could he be capping?
could we be capping?
could you be capping?
could they be capping? 	could I have capped?
could you have capped?
could he have capped?
could we have capped?
could you have capped?
could they have capped? 	could I have been capping?
could you have been capping?
could he have been capping?
could we have been capping?
could you have been capping?
could they have been capping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not cap?
could you not cap?
could he not cap?
could we not cap?
could you not cap?
could they not cap? 	could I not be capping?
could you not be capping?
could he not be capping?
could we not be capping?
could you not be capping?
could they not be capping? 	could I not have capped?
could you not have capped?
could he not have capped?
could we not have capped?
could you not have capped?
could they not have capped? 	could I not have been capping?
could you not have been capping?
could he not have been capping?
could we not have been capping?
could you not have been capping?
could they not have been capping?